Editing Electronic mixer (section)

===Implementations===
Multiplicative mixers have been implemented in many ways. The most popular are [[Gilbert cell]] mixers, [[diode]] mixers, diode ring mixers ([[ring modulation]]) and switching mixers. Diode mixers take advantage of the non-linearity of diode devices to produce the desired multiplication in the squared term. They are very inefficient as most of the power output is in other unwanted terms which need filtering out. Inexpensive AM radios still use diode mixers.

Electronic mixers are usually made with [[transistor]]s and/or [[diode]]s arranged in a [[balanced circuit]] or even a double-balanced circuit. They are readily manufactured as [[monolithic integrated circuit]]s or [[hybrid integrated circuit]]s. They are designed for a wide variety of frequency ranges, and they are [[Mass production|mass-produced]] to tight tolerances by the hundreds of thousands, making them relatively cheap.

'''Double-balanced mixers''' are very widely used in [[microwave communication]]s, [[satellite communication]]s, [[ultrahigh frequency]] (UHF) communications [[transmitter]]s, [[Receiver (radio)|radio receivers]], and [[radar system]]s.

'''Gilbert cell mixers''' are an arrangement of transistors that multiplies the two signals.

'''Switching mixers''' use arrays of [[field-effect transistor]]s or [[vacuum tube]]s.  These are used as electronic switches, to alternate the signal direction. They are controlled by the signal being mixed. They are especially popular with digitally controlled radios. Switching mixers pass more power and usually insert less distortion than Gilbert cell mixers.

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[[Category:Analog circuits]]
[[Category:Audio mixing]]

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